cold rolled hardened and tempered steel strips

详情

GWYL Co.,Ltd one of leading reputed and prestigious heat-treatment steel company in China, have delicated ourselves in manufacturing and exporting of cold rolled and heat treated steel strips over *0years with production output of ***0 tons/monthly. Our first-grade raw material are supplied by the ISO ***1:***0 authorised state own enterprise and our productions are strictly in accordance with national and international standards. Quality is guaranteed

shutter door band spring 

• Main specifications
• • thickness: 1.0mm, 1.1mm, 1.2mm, 1.*5mm, 1.3mm, 1.4mm, 1.5mm, 1.6mm, 1.*5mm
  • width:        *0mm  *0mm, *5mm, *0mm, *5mm, *0mm, *0mm, *0mm
  • surface:     blue, polished blue
  • hardness:   ****8hrc
  • edge:         rounded

Three types of coil can be used for hand tool applications but strapping machines always use the oscillation type as they hold at least twice or more strap as well.

Specifications and surface treatment :           

1) Metric width: 9.5mm,*2.7mm, *6.0mm, *9.0mm, *5.4mm,  *1.*5mm, *2mm

2) Metric thickness: 0.4mm, 0.5mm, 0.6mm, 0.7mm, 0.8mm, 0.9mm, 1.0mm, 1.1mm, 1.2mm   

3) Surface: Tempered blue+waxed / tempered blue/ tempered blue+waxed+painted like: green, brown,black,etc

1. steel coils for wiper blade materials

2. size: 0.8mmX*4mm 

             0.8mmX7mm

3. materials grade: ck*7, sk5 

4. edge: slitted 

5. surface: smooth without rust